Chemical Composition, Antibacterial Activity, and Antibiotic Potentiation of Boswellia sacra Flueck. Oleoresin Extracts from the Dhofar Region of Oman

Figure 2

Antibacterial activity of the B. sacra oleoresin extracts against gastrointestinal bacterial pathogens measured as zones of inhibition (mm): (a) E. coli, (b) E. faecalis, (c) S. aureus, (d) S. newport, and (e) S. sonnei. Method refers to the extraction method. M = methanolic extract; W = water extract; NC = 0.5% DMSO; Amp = ampicillin (10 μg) control; Chl = chloramphenicol (10 μg) control. Results are expressed as mean zones of inhibition ± SEM. The symbol indicates results significantly different to the untreated control ().

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